Home / 3,280,461.70-4,920,692.55-1,510,989.70

Finding the Fourth Proportional to 3,280,461.70, 4,920,692.55 and 1,510,989.70

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Solution

The fourth proportional to 3,280,461.70, 4,920,692.55 and 1,510,989.70 is: 2,266,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,461.70 : 4,920,692.55 = 1,510,989.70 : x
  2. Step 2: Convert to fraction form
    3,280,461.70/4,920,692.55 = 1,510,989.70/x
  3. Step 3: Cross multiply
    3,280,461.70x = 4,920,692.55 × 1,510,989.70
  4. Step 4: Simplify right side
    3,280,461.70x = 7,435,115,759,916.74
  5. Step 5: Solve for x
    x = 7,435,115,759,916.74/3,280,461.70
  6. Step 6: Final answer
    x = 2,266,484.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.